4BoD - Revision history

Pixelbath: +cat

2023-11-29T16:01:18Z

+cat

← Older revision		Revision as of 11:01, 29 November 2023
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	[[Category:Fantasy consoles]]		[[Category:Fantasy consoles]]
	[[Category:4 bit consoles]]		[[Category:4 bit consoles]]
			[[Category:Memory-mapped systems]]

94.29.25.189 at 13:51, 19 March 2023

2023-03-19T13:51:12Z

← Older revision		Revision as of 08:51, 19 March 2023
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	[[File:4BoD_Logo.PNG\|thumb\|Logo]]		[[File:4BoD_Logo.PNG\|thumb\|Logo]]

	'''4BoD''' (4 Bits of DOOM) is a hyper-minimalist fantasy console inspired by Milton Bradley Microvision. It was created as an entry for [https://itch.io/jam/fc-dev-jam FC Dev jam] by [https://itch.io/profile/puarsliburf puarsliburf games] in 2017.		'''4BoD''' (4 Bits of DOOM) is a hyper-minimalist fantasy console inspired by Milton Bradley Microvision. It was created as an entry for [https://itch.io/jam/fc-dev-jam FC Dev jam] by [https://itch.io/profile/puarsliburf puarsliburf games] in 2017. Now there are lots of reimplementations, programming languages, and games.

	==Capabilities==		==Capabilities==
Line 15:		Line 15:
	OP \|A \|B \|Description		OP \|A \|B \|Description
	0000 - NOP		0000 - NOP
	0001 AAAA - Sets the accumulator to the value stored at memory position A		0001 AAAA - Sets the accumulator to the value stored at memory position AAAA
	0010 AAAA - Sets memory position A to the value stored in the accumulator		0010 AAAA - Sets memory position AAAA to the value stored in the accumulator
	0011 AAAA - Sets the accumulator to A		0011 AAAA - Sets the accumulator to AAAA
	0100 - Sets the accumulator to the buttons that have been pressed		0100 - Sets the accumulator to the buttons that have been pressed
	- Ones place = left button		- Ones place = left button
Line 27:		Line 27:
	0111 - Shifts the accumulator left		0111 - Shifts the accumulator left
	1000 - Shifts the accumulator right		1000 - Shifts the accumulator right
	1001 AAAA BBBB - Sets the accumulator to pixel position memory A, memory B		1001 AAAA BBBB - Sets the accumulator to pixel position memory AAAA, memory BBBB
	1010 AAAA BBBB - Flips pixel position memory A, memory B		1010 AAAA BBBB - Flips pixel position memory AAAA, memory BBBB
	1011 AAAA - Sets a flag called A (Flag 15 is ~~reserved~~, ~~if you jump to it the program ends~~)		1011 AAAA - Sets a flag called AAAA (Flag 15 is forever 0, bug)
	1100 AAAA - Jumps to flag memory position A		1100 AAAA - Jumps to flag memory position AAAA
	1101 AAAA - Only perform next action if memory position A is equal to the accumulator		1101 AAAA - Only perform next action if memory position AAAA is equal to the accumulator
	1110 AAAA - Only perform next action if memory position A is greater than the accumulator		1110 AAAA - Only perform next action if memory position AAAA is greater than the accumulator
	1111 AAAA - Only perform next action if memory position A is less than the accumulator		1111 AAAA - Only perform next action if memory position AAAA is less than the accumulator

			==4BoD FC Family==
			* '''4BoD''' by Puarsliburf.
			** [https://github.com/oshaboy/4bod-reimplementation 4bod reimplementation] by [https://esolangs.org/wiki/User:Oshaboy Oshaboy]: 4bod reimplementation written in Python.
			** [https://github.com/Sam36502/4BOD-C 4BOD-C] by [https://github.com/Sam36502 Sam36502]: C-reimplementation of 4BOD Fantasy Console using raylib.
			** [https://github.com/Sam36502/4BOD-Go 4BOD-Go] by [https://github.com/Sam36502 Sam36502]: A Golang reimplementation of 4BOD fantasy console.
			** [https://github.com/ItsYurix/NibbleStudio 4BoD-SB](NibbleStudio Micro0.1) by [https://github.com/ItsYurix Yurix]: Implementation in Small Basic with pauses, restarts.
			*** [https://github.com/ItsYurix/NibbleStudio 4BoD-CS](NibbleStudio Micro0.2+) by [https://github.com/ItsYurix Yurix]: A C# reimplementation, works faster.
			* [https://github.com/Sam36502/4BID-N 4BID-N] by [https://github.com/Sam36502 Sam36502]: A 4-Bit Fantasy Console heavily inspired by the 4BoD console by Puarsliburf.
			** [https://github.com/Sam36502/4RCH 4RCH] by [https://github.com/Sam36502 Sam36502]: A 4-bit fantasy console/computer.
			* [https://itsyurix.itch.io/blip-4-fc BLIP-4] by [https://github.com/ItsYurix Yurix]: Fantasy console inspired by Microvision, NES, 4BoD, 4BID-N.

	[[Category:Fantasy consoles]]		[[Category:Fantasy consoles]]
	[[Category:4 bit consoles]]		[[Category:4 bit consoles]]

94.29.25.189: /* Instruction Set */

2023-03-19T11:23:45Z

Instruction Set

← Older revision		Revision as of 06:23, 19 March 2023
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	==Instruction Set==		==Instruction Set==
	Instructions set (from)		Instructions set (from documentation file by puarsliburf):

	OP \|A \|B \|Description		OP \|A \|B \|Description
Line 19:		Line 19:
	0011 AAAA - Sets the accumulator to A		0011 AAAA - Sets the accumulator to A
	0100 - Sets the accumulator to the buttons that have been pressed		0100 - Sets the accumulator to the buttons that have been pressed
	- Ones place = left button		- Ones place = left button
	- Twos place = right button		- Twos place = right button
	- Fours place = up button		- Fours place = up button
	- Eights place = down button		- Eights place = down button
	0101 - Increments the accumulator (Do this 15 times to make a subtraction by overflow)		0101 - Increments the accumulator (Do this 15 times to make a subtraction by overflow)
	0110 - Clears the screen		0110 - Clears the screen

94.29.25.189 at 11:23, 19 March 2023

2023-03-19T11:23:06Z

← Older revision		Revision as of 06:23, 19 March 2023
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	Instructions set (from)		Instructions set (from)

	~~<code>~~		OP \|A \|B \|Description
	OP \|A \|B \|Description		0000 - NOP
	0000 - NOP		0001 AAAA - Sets the accumulator to the value stored at memory position A
			0010 AAAA - Sets memory position A to the value stored in the accumulator
	0001 AAAA - Sets the accumulator to the value stored at memory position A		0011 AAAA - Sets the accumulator to A
	0010 AAAA - Sets memory position A to the value stored in the accumulator		0100 - Sets the accumulator to the buttons that have been pressed
	0011 AAAA - Sets the accumulator to A		- Ones place = left button
	0100 - Sets the accumulator to the buttons that have been pressed		- Twos place = right button
	- Ones place = left button		- Fours place = up button
	- Twos place = right button		- Eights place = down button
	- Fours place = up button		0101 - Increments the accumulator (Do this 15 times to make a subtraction by overflow)
	- Eights place = down button		0110 - Clears the screen
	0101 - Increments the accumulator (Do this 15 times to make a subtraction by overflow)		0111 - Shifts the accumulator left
			1000 - Shifts the accumulator right
	0110 - Clears the screen		1001 AAAA BBBB - Sets the accumulator to pixel position memory A, memory B
	0111 - Shifts the accumulator left		1010 AAAA BBBB - Flips pixel position memory A, memory B
	1000 - Shifts the accumulator right		1011 AAAA - Sets a flag called A (Flag 15 is reserved, if you jump to it the program ends)
	1001 AAAA BBBB - Sets the accumulator to pixel position memory A, memory B		1100 AAAA - Jumps to flag memory position A
	1010 AAAA BBBB - Flips pixel position memory A, memory B		1101 AAAA - Only perform next action if memory position A is equal to the accumulator
			1110 AAAA - Only perform next action if memory position A is greater than the accumulator
	1011 AAAA - Sets a flag called A (Flag 15 is reserved, if you jump to it the program ends)		1111 AAAA - Only perform next action if memory position A is less than the accumulator
	1100 AAAA - Jumps to flag memory position A

	1101 AAAA - Only perform next action if memory position A is equal to the accumulator
	1110 AAAA - Only perform next action if memory position A is greater than the accumulator
	1111 AAAA - Only perform next action if memory position A is less than the accumulator
	~~</code>~~

	[[Category:Fantasy consoles]]		[[Category:Fantasy consoles]]
	[[Category:4 bit consoles]]		[[Category:4 bit consoles]]

94.29.25.189 at 11:14, 19 March 2023

2023-03-19T11:14:40Z

@@ Line 9: / Line 9: @@
 '''Instruction set''': 16 instructions.<br>
 '''Sounds''': no.
 [[Category:Fantasy consoles]]
 [[Category:4 bit consoles]]

Yurix at 15:35, 27 February 2023

2023-02-27T15:35:28Z

← Older revision		Revision as of 10:35, 27 February 2023
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	[[Category:Fantasy consoles]]		[[Category:Fantasy consoles]]
	[[Category:~~FCs that support BASIC~~]]		[[Category:4 bit consoles]]

Yurix at 15:34, 27 February 2023

2023-02-27T15:34:57Z

← Older revision		Revision as of 10:34, 27 February 2023
Line 9:		Line 9:
	'''Instruction set''': 16 instructions.<br>		'''Instruction set''': 16 instructions.<br>
	'''Sounds''': no.		'''Sounds''': no.

			[[Category:Fantasy consoles]]
			[[Category:FCs that support BASIC]]

Yurix: /* == */

2023-02-27T15:34:35Z

← Older revision		Revision as of 10:34, 27 February 2023
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	'''Instruction set''': 16 instructions.<br>		'''Instruction set''': 16 instructions.<br>
	'''Sounds''': no.		'''Sounds''': no.

	~~====~~

Yurix at 15:34, 27 February 2023

2023-02-27T15:34:25Z

← Older revision		Revision as of 10:34, 27 February 2023
Line 1:		Line 1:
	'''4BoD''' (4 Bits of DOOM) is a hyper-minimalist fantasy console inspired by Milton Bradley Microvision. It was created as an entry for [https://itch.io/jam/fc-dev-jam FC Dev jam] by [https://itch.io/profile/puarsliburf puarsliburf games].		[[File:4BoD_Logo.PNG\|thumb\|Logo]]

			'''4BoD''' (4 Bits of DOOM) is a hyper-minimalist fantasy console inspired by Milton Bradley Microvision. It was created as an entry for [https://itch.io/jam/fc-dev-jam FC Dev jam] by [https://itch.io/profile/puarsliburf puarsliburf games] in 2017.

	==Capabilities==		==Capabilities==
	'''Program memory''': 3072b (256 12-bit instructions).<br>		'''Program memory''': 3072b (256 12-bit instructions).<br>
	'''RAM''': 16 nibbles (64b).<br>		'''RAM''': 16 nibbles (64b).<br>
	'''Screen''': 16x16 (1:1) 1-bit.<br>		'''Screen''': 16x16 (1:1) 1-bit.<br>
	'''Instruction set''': 16 instructions.		'''Instruction set''': 16 instructions.<br>
			'''Sounds''': no.

			====

Yurix at 15:23, 27 February 2023

2023-02-27T15:23:32Z

← Older revision		Revision as of 10:23, 27 February 2023
Line 1:		Line 1:
	'''4BoD''' (4 Bits of DOOM) is a hyper-minimalist fantasy console inspired by Milton Bradley Microvision. It was created as an entry for [https://itch.io/jam/fc-dev-jam FC Dev jam].		'''4BoD''' (4 Bits of DOOM) is a hyper-minimalist fantasy console inspired by Milton Bradley Microvision. It was created as an entry for [https://itch.io/jam/fc-dev-jam FC Dev jam] by [https://itch.io/profile/puarsliburf puarsliburf games].
			==Capabilities==
			'''Program memory''': 3072b (256 12-bit instructions).<br>
			'''RAM''': 16 nibbles (64b).<br>
			'''Screen''': 16x16 (1:1) 1-bit.<br>
			'''Instruction set''': 16 instructions.